If a user creates a custom service, e.g. nova-custom-ceph service and specifies a custom name for EDPMServiceType it will result in the cacert to be mounted to a wrong path because  cacertVolumeMount uses service.Spec.EDPMServiceType.

A way to prevent this would be to change the EDPMServiceType to be an enum for the allowed/supported service types [1], there might be other ways to solve this.

[1] https://github.com/openstack-k8s-operators/openstack-operator/blob/main/apis/dataplane/v1beta1/openstackdataplaneservice_types.go#L113

This is to track a solution to prevent users from using a wrong EDPMServiceType in such a situation.